We have a space rock older that our solar system

"Only a few weeks ago, a team of scientists announced that presolar grains identified inside another meteorite (which also crashed to Earth in 1969, but in Australia) constituted the oldest known material on the planet, being somewhere between 5 and 7 billion years old.

For comparison, our own Solar System is only about 4.6 billion years old, so we are wandering into some pre-primordial territory here, at least in terms of our own neighbourhood of space." Full article

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